FishTankCalculators

40 Gallon Breeder Dimensions & Filled Weight

Excellent wide footprint for cichlids, heavily planted scapes, and breeding setups.

Quick Specs

Standard 40 Gallon Breeder Specifications:

  • Dimensions (US & Metric): 36" × 18" × 16" (91.4 cm × 45.7 cm × 40.6 cm)
  • Total Filled Weight: Approximately 388 lbs (176 kg) including water and standard gravel.
  • Empty Tank Weight: 55 lbs (25 kg).

Measurements

  • Gross Volume 40 Gallons
  • Empty Glass Weight 55 lbs
  • Approx. Filled Weight 388 lbs

Recommended Gear

  • Target Filter Turnover 200 GPH
  • Base Heater Wattage 200 Watts

How Much Sand Does a 40 Gallon Breeder Need?

A standard 1.5-inch bed requires approximately 50 lbs of aquarium sand or 25 L of active aqua soil.

Customize Substrate Bed →

Floor Load & Stand Safety

At approximately 388 lbs, the 40 Gallon Breeder exerts a specific pounds-per-square-foot (PSF) structural load on your home's flooring. The footprint area is 4.50 sq. ft, meaning the raw PSF is roughly 86 PSF.

Standard Load: This aquarium weight is generally safe for modern residential flooring, provided it is placed on a level, structurally sound aquarium stand.

Frequently Asked Questions

What are the dimensions of a 40 Gallon Breeder in inches and cm? ▼
A standard 40 Gallon Breeder measures 36" L × 18" W × 16" H (91.4 cm × 45.7 cm × 40.6 cm).
How much does a 40 Gallon Breeder weigh filled? ▼
When filled with water and average substrate, a 40 Gallon Breeder weighs approximately 388 lbs (176 kg). Always ensure your stand and flooring can support this weight.
How much sand do I need for a 40 Gallon Breeder? ▼
For a standard 1.5-inch bed, a 40 Gallon Breeder requires approximately 50 lbs of aquarium sand or 25 L of active aqua soil.